GB656190A - Improvements in or relating to automatic telephone systems - Google Patents
Improvements in or relating to automatic telephone systemsInfo
- Publication number
- GB656190A GB656190A GB5086/48A GB508648A GB656190A GB 656190 A GB656190 A GB 656190A GB 5086/48 A GB5086/48 A GB 5086/48A GB 508648 A GB508648 A GB 508648A GB 656190 A GB656190 A GB 656190A
- Authority
- GB
- United Kingdom
- Prior art keywords
- line
- link
- recorder
- trunk
- over
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000003550 marker Substances 0.000 abstract 10
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/28—Soles; Sole-and-heel integral units characterised by their attachment, also attachment of combined soles and heels
- A43B13/32—Soles; Sole-and-heel integral units characterised by their attachment, also attachment of combined soles and heels by adhesives
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
- H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US656191XA | 1940-03-16 | 1940-03-16 | |
| US325510A US2298205A (en) | 1940-03-23 | 1940-03-23 | Telephone system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB656190A true GB656190A (en) | 1951-08-15 |
Family
ID=26745789
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5087/48A Expired GB656191A (en) | 1940-03-16 | 1948-02-20 | Improvements in or relating to automatic telephone systems |
| GB5086/48A Expired GB656190A (en) | 1940-03-16 | 1948-02-20 | Improvements in or relating to automatic telephone systems |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5087/48A Expired GB656191A (en) | 1940-03-16 | 1948-02-20 | Improvements in or relating to automatic telephone systems |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR962012A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) |
| GB (2) | GB656191A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) |
-
0
- FR FR962012D patent/FR962012A/fr not_active Expired
-
1948
- 1948-02-20 GB GB5087/48A patent/GB656191A/en not_active Expired
- 1948-02-20 GB GB5086/48A patent/GB656190A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR962012A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) | 1950-05-27 |
| GB656191A (en) | 1951-08-15 |
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